"The biggest risk is to take no risk... In a world that is changing so fast, the only strategy that is guaranteed to fail is not to take risks." - Mark Zuckerberg, co-founder of Facebook

"Success is a terrible teacher. It makes smart people believe they can't lose." -Bill Gates, co-founder of Microsoft

"The best investment you can make is in yourself." - Warren Buffett, CEO of Berkshire Hathaway

"If you don't value your time, others won't. Stop wasting your time and talents. Value what you know and start making money for it." - Kim Kardashian, media personality and businesswoman

"Your job will fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great. The only way to do great work is to love what you do." -Apple co-founder Steve Jobs

"My biggest motivation? Just to keep challenging myself. I see life as a long college education that I hardly ever get - I learn something new every day." - Richard Branson, founder of Virgin Group

"I've always wanted to have and control primary technology in everything we do." - Elon Musk, founder of SpaceX and Tesla Motors

"The only limit to our realization of tomorrow will be the doubts of today." - Franklin D. Roosevelt, 32nd President of the United States

"It's good to celebrate success, but it's more important to listen to the lessons learned from failure." - Microsoft co-founder Bill Gates

"Innovation separates the leader from the follower." - Apple co-founder Steve Jobs

"The harder I work, the better my chances are." - Thomas Jefferson, 3rd President of the United States

"Success is not the key to happiness. Happiness is the key to success. If you love what you do, you will be successful." - Albert Schweitzer, philosopher and Nobel Peace Prize winner

"Be so polite that they don't ignore you." - Steve Martin, actor and comedian

"The greatest glory of life is not to never fall, but to stand up every time we fall." - Nelson Mandela, former South African President and human rights activist

"The way to start is to stop talking and start doing." - Walt Disney, co-founder of Disney

"I didn't fail. I just found 10,000 ways that wouldn't work." - Thomas Edison, inventor and businessman

"Success is not final, failure is not fatal: What counts is the courage to continue." - Former British Prime Minister Winston Churchill

"I never took a day off in my twenties. Not even one day." - Microsoft's co-founder Bill Gates

"If you want to make a million dollars, start with a billion dollars and start a new airline." - Richard Branson, founder of Virgin Group

"It's not about money or connections. It's the willingness to work harder and learn more than anyone else when it comes to your job. And if it fails, you'll learn from what happened and do better next time." - Mark Cuban, entrepreneur and investor

"I don't believe in taking unnecessary risks, but a risk-free life is not worth living." - Charles Schwab, founder of Charles Schwab Corporation

"If you're not taking risks, you should get the hell out of this." - Ray Kroc, founder of McDonald's

"I have enough money to last me for the rest of my life as long as I don't buy anything." - Jackie Mason, comedian

"You can't connect the dots looking forward; you can only connect by looking back. So you have to trust that in your future the dots will somehow connect. You have to trust one thing - your instincts, your destiny, your life, This approach has never let me down and has made all the difference in my life." - Apple co-founder Steve Jobs

"The dangerous thing in business is not growing." - Amazon founder Jeff Bezos

"The most important thing is to try to inspire people to be great at what they want to do." - Kobe Bryant, former professional basketball player and businessman

"A brand for a company is like a reputation for a person. You earn reputation by trying to do hard things well." - Jeff Bezos, founder of Amazon

"It's not the size of the dog in the fight that matters, it's the size of the fight inside the dog." - Mark Twain, author and humorist

"The more you learn, the more you earn." - Warren Buffett, CEO of Berkshire Hathaway

"The future belongs to those who believe in the beauty of their dreams." - Eleanor Roosevelt, former First Lady of the United States

"If you do what you love, it's the best way to relax." - Christian Louboutin, fashion designer

"I don't believe in luck. Luck is preparation, meeting opportunity." - Oprah Winfrey, media executive and talk show host

"The secret to success in life is that a man is ready when the opportunity comes." - Former British Prime Minister Benjamin Disraeli

"The function of leadership is to produce more leaders, not more followers." — Ralph Nader, political activist and consumer advocate

"The only way to do a great job is to love what you do. If you haven't found it yet, keep looking. Don't settle for it. As with all matters of the heart, you'll know when you find it." - Apple co-founder Steve Jobs

"The man without imagination has no wings." - Muhammad Ali, former heavyweight boxing champion

"The greatest adventure you can take is living the life of your dreams." - Oprah Winfrey, media executive and talk show host

"I never dreamed of success, I worked for it." - Estée Lauder, businesswoman and founder of Estée Lauder Companies

"Money and success don't change people, they only strengthen existing ones." - Will Smith, actor and producer